@MISC {MIGNOUNA:2013b, title = {Determinants of household food expenditure and implications for food security in rural yam farming communities in Nigeria and Ghana}, author = {Mignouna, D. and Abdoulaye, T. and Alene, A. and Asiedu, R. }, year = {2013}, month = {October}, howpublished = {Abstract P. 93. in the book of programme and abstract of the 11th African Crop Science Society Conference, 14 - 17 October, Entebbe, Uganda}, note = {In: Sowing innovation for sustainable food and nutrition security in Africa, 11th African Crop Science Society Conference, 14 - 17 October 2013, Entebbe Uganda. RTB; Yam; SAHub;}, }